Green Brook township

County:: Somerset County
County Seat:: No
Area (mi²):: 4.407
State:: New Jersey

Green Brook township is located in Somerset County, New Jersey. Green Brook township has a 2025 population of 7,243. Green Brook township is currently declining at a rate of -0.33% annually and its population has decreased by -0.22% since the most recent census, which recorded a population of 7,259 in 2020.

The average household income in Green Brook township is $223,514 with a poverty rate of 5.7%.The median age in Green Brook township is 46.5 years: 44.3 years for males, and 46.7 years for females.

Demographics

The racial composition of Green Brook township includes 56.75% White, 25.62% Asian, 9.28% other race, and smaller percentages for and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	3,962	56.75%
Asian	1,789	25.62%
Other race	648	9.28%
Two or more races	583	8.35%

Green Brook township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Green Brook township's average per capita income is $90,270. Household income levels show a median of $218,864. The poverty rate stands at 5.7%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Households	$218,864	$223,514
Married Families	$213,988	-
Families	$208,452	$233,310
Non Families	-	$169,430

$90,270

Average Income

$218,864

Median Household Income

5.7%

Poverty Rate